On 2002-10-10 01:07, Terry Lambert <[EMAIL PROTECTED]> wrote: > > So the test is: > > #ifdef _POSIX_REALTIME_SIGNALS > #if _POSIX_REALTIME_SIGNALS > 0 > > ...or, if you want to assume all preprocessors support "#if": > > #if defined(_POSIX_REALTIME_SIGNALS) && (_POSIX_REALTIME_SIGNALS > 0) > > I think the first is safer, in that if "#if" is not supported, it > being an undefined preprocessor directive would be non-fatal, > being in an uncompiled "#ifdef" block...
Well, almost. There is one exception. A compiler that doesn't support #if but happens to run in an environment that has _POSIX_REALTIME_SIGNALS defined and equal to -1. To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
